CLOUDSTACK-7228 Only shrink disk when CLVM is in use.

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>

test/integration/smoke/test_volumes.py

@@ -30,7 +30,8 @@ from marvin.lib.base import (ServiceOffering,
                              Account,
                              Volume,
                              Host,
-                             DiskOffering)
+                             DiskOffering,
+                             StoragePool)
 from marvin.lib.common import (get_domain,
                                 get_zone,
                                 get_template)
@@ -660,6 +661,20 @@ class TestVolumes(cloudstackTestCase):
                          "Check if the data volume resized appropriately"
                          )
 
+        can_shrink = False
+
+        list_volume_response = Volume.list(
+                                            self.apiClient,
+                                            id=self.volume.id,
+                                            type='DATADISK'
+                                            )
+        storage_pool_id = [x.storageid for x in list_volume_response if x.id == self.volume.id][0]
+        storage = StoragePool.list(self.apiclient, id=storage_pool_id)[0]
+        # At present only CLVM supports shrinking volumes
+        if storage.type.lower() == "clvm":
+            can_shrink = True
+
+        if can_shrink:
             self.services["disk_offering"]["disksize"] = 10
             disk_offering_10_GB = DiskOffering.create(
                                         self.apiclient,